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- 31020804 alternative "Commercial flyers, Physical requirements for.".
- 31020804 contributor B776212.
- 31020804 contributor B776213.
- 31020804 created "[c1931]".
- 31020804 date "1931".
- 31020804 date "[c1931]".
- 31020804 dateCopyrighted "[c1931]".
- 31020804 extent "31 p. incl. illus.,".
- 31020804 issued "1931".
- 31020804 issued "[c1931]".
- 31020804 language "eng".
- 31020804 publisher "Denver, The Clason Publishing Co.".
- 31020804 spatial "United States.".
- 31020804 subject "629.13".
- 31020804 subject "Aeronautics, Commercial United States.".
- 31020804 subject "Air pilots Medical examinations.".
- 31020804 subject "Aviation medicine.".
- 31020804 subject "TL555 .C5".
- 31020804 title "Physical requirements for commercial flyers, by John S. Chase ... and Nolie Mumey ...".
- 31020804 type "text".